Benchmarking noise and dephasing in emerging electrical materials for quantum technologies

S Islam, S Shamim, A Ghosh - Advanced Materials, 2023 - Wiley Online Library
As quantum technologies develop, a specific class of electrically conducting materials is
rapidly gaining interest because they not only form the core quantum‐enabled elements in …

Engineering sensitivity and spectral range of photodetection in van der Waals materials and hybrids

S Sett, A Parappurath, NK Gill, N Chauhan… - Nano …, 2022 - iopscience.iop.org
Exploration of van der Waals heterostructures in the field of optoelectronics has produced
photodetectors with very high bandwidth as well as ultra-high sensitivity. Appropriate …

High‐Efficiency Infrared Sensing with Optically Excited Graphene‐Transition Metal Dichalcogenide Heterostructures

S Kakkar, A Majumdar, T Ahmed, A Parappurath… - Small, 2022 - Wiley Online Library
Binary van der Waals heterostructures of graphene (Gr) and transition metal dichalcogenide
(TMDC) have evolved as a promising candidate for photodetection with very high …

Suppression of 1/f noise in graphene due to anisotropic mobility fluctuations induced by impurity motion

M Kamada, W Zeng, A Laitinen, J Sarkar… - Communications …, 2023 - nature.com
Low frequency resistance variations due to mobility fluctuations is one of the key factors of
1/f noise in metallic conductors. According to theory, such noise in a two-dimensional (2D) …

Low-Frequency Resistance Noise in Near-Magic-Angle Twisted Bilayer Graphene

P Pal, S Bhowmik, A Parappurath, S Kakkar… - ACS …, 2025 - ACS Publications
The low-frequency resistance fluctuations, or noise, in electrical resistance not only set a
performance benchmark in devices but also form a sensitive tool to probe nontrivial …

Origin of electrical noise near charge neutrality in dual gated graphene device

A Mehra, RJ Mathew, C Kumar - Applied Physics Letters, 2023 - pubs.aip.org
This Letter investigates low frequency 1/f noise in an hBN encapsulated graphene device in
a dual gated geometry. The noise study is performed as a function of top gate carrier density …

Contamination-induced inhomogeneity of noise sources distribution in Al2O3-passivated quasi-free-standing graphene on 4H-SiC (0001)

T Ciuk, PP Michałowski, J Jagiełło… - Physica E: Low …, 2022 - Elsevier
In this report, we introduce a novel method based on low-frequency noise analysis for the
assessment of quality and pattern of inhomogeneity in intentionally-aged Hall effect sensors …

[HTML][HTML] Adsorption and dissociation of NO2 on MoS2 doped with p-block elements

MJ Szary, JA Bąbelek, DM Florjan - Surface Science, 2021 - Elsevier
Nitrogen dioxide (NO 2) is a chemical compound produced in large amounts as a byproduct
of combustion in vehicles and industrial processes. In its gas form, it is harmful to both …

Critical current fluctuations in graphene Josephson junctions

MT Haque, M Will, M Tomi, P Pandey, M Kumar… - Scientific Reports, 2021 - nature.com
We have studied 1/f noise in critical current I c in h-BN encapsulated monolayer graphene
contacted by NbTiN electrodes. The sample is close to diffusive limit and the switching …

Charge-Inhomogeneity-Mediated Low-Frequency Noise in One-Dimensional Edge-Contacted Graphene Heterostructure Field Effect Transistors

AK Behera, CT Harris, DV Pete, CM Smyth… - ACS Applied Nano …, 2024 - ACS Publications
We have previously shown that one-dimensional edge contact to two-dimensional
heterostructure field effect transistors with a graphene channel, and hexagonal boron nitride …